Claude4.7
DirectLLM chatbot
Discusses Claude in his AI economics essays and X threads on frontier-model spend.
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Person profile
David Cahn's AI stack.
Partner at Sequoia Capital.
Tools David Cahn has publicly discussed or demonstrated using. Curated by Magpie's editorial team from podcasts, posts, and public stacks.
David Cahn is a partner at Sequoia Capital. He authored AI's $200B Question and AI's $600B Question, the most-cited essays on the AI capex gap. His public commentary is thesis-driven and focused on the economics of the AI buildout.
Tools David has publicly discussed.
- ChatGPT4.9DirectLLM chatbot
Central reference point in Cahn's AI capex essays. Names ChatGPT throughout his Sequoia blog writing.
- Perplexity3.7DirectLLM chatbot
Has discussed Perplexity in commentary on AI-search economics.
Evidence tiers
Direct: a video, podcast, post, or essay where David names the tool. Implied: their company's public stack, repeated adjacency, or job ads. We don't list guesses. See how Magpie scores tools.
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Editorial note
These tools have been mentioned by the people featured in podcasts, interviews, posts, and other public media. Source links and citations are included wherever possible. Magpie AI has no direct relationship with the people on these pages. This is editorial coverage, not an endorsement, sponsorship, or affiliation. Spot a missing tool or a wrong attribution? Suggest a correction →